<!DOCTYPE html>
<html>
<head>
      <title>vue</title>
      <script src="https://unpkg.com/vue/dist/vue.js"></script>
</head>
<body>
      <div id="app">
      {{message}}
      </div>
      <script>
      var app = new Vue({

          el: '#app',
data:{

   message:'hello world'
}

})

 </script>
</body>
</html>
